def generate_address(xpub, idx, cash=True):
'''Generate a bitcoin cash or bitcoin legacy address from the extended public key at the given index'''
# Optional dependencies if unused
import pycoin.key
import cashaddr
subkey = pycoin.key.Key.from_text(xpub).subkey(0).subkey(idx)
if cash:
return cashaddr.encode('bitcoincash', 0, subkey.hash160())
return subkey.address()
def convert_address(address):
'''Convert an address back and forth between cash and legacy formats'''
# Optional dependencies if unused
import pycoin.key
import cashaddr
if address[0] in '13':
subkey = pycoin.key.Key.from_text(address)
return cashaddr.encode('bitcoincash', 0, subkey.hash160())
elif address[0] in 'qpQP':
subkey = cashaddr.decode('bitcoincash:' + address.lower())[2]
return pycoin.key.Key(hash160=subkey).address()
else:
raise ValueError('Unsupported address format')